Understanding the Audi A8 gearbox

The first Audi A8 with small engines (e.g. the Audi A8 2.5 Tdi 150hp) were equipped with 6-speed manual gearboxes. However, Audi soon opted for Tiptronic Tiptronic automatic transmissions automatic transmissions that guarantee smooth, rapid gear changes. Examples include the Audi A8 50 TDI 286 quattro and the Audi A8 60 TFSI.

This gearbox uses a hydraulic converter box which acts as a clutch. High-performance automatic gearboxA high-performance automatic gearbox, it allows you to match gearshifts to your driving style. Tiptronic technology, on the other hand, gives you the option of shift into manual mode using the gearshift lever.

Maintaining the gearbox on your Audi A8: a crucial point

The life of the gearbox in your Audi A8 depends largely on its maintenance. We therefore recommend that you regularly check the transmission fluid level and condition. If you find that the fluid is clogged or dirty, a transmission transmission fluid change will be necessary. Likewise, it's advisable to periodically replace the transmission oil filter. transmission oil filter.

Even with proper maintenance of your Audi A8 gearbox, problems are likely to arise over time. There are a number of warning signs :

• incongruous noises (whistling, buzzing, etc.);
• of gears shifting with difficulty (symptom of mechatronic unit failure) ;
• a feeling of slippage in all gears (generally due to a problem with the hydraulic pressure or the converter);
• of sudden gear changes (often synonymous with insufficient or dirty oil);
• reports that remain blocked or, on the contrary, that jump (in which case the culprit is probably a sensor or solenoid).

By intervening quickly, as soon as these malfunctions are detected, you can avoid many inconveniences.

Gearbox removal and repair Audi A8

These symptoms will help you to find the right gearbox repair. However, to find the exact cause of the malfunctionyou'll need to check every single component, and therefore remove the gearbox of your Audi A8.

To achieve this, ensure your safety first :

• choose a flat spot to park your car;
• wait until the vehicle is cold;
• jack it up and place sturdy stanchions on it.

You can then begin the actual removal itself:

• remove the protective cover under the engine to gain access to the automatic gearbox;
• proceed to draining;
• disconnect cables, connectors and hoses attached to the gearbox (remember to mark the location of each connection);
• unscrew the fixing bolts ;
• finally, get the gearbox from your Audi A8.

Now it's time to inspect your gearbox for transmission fluid leaks from the seals or signs of wear. A leak is easily repaired by replacing the offending seal. If the problem is due to a faulty spare part, it should be replaced.

Once this operation is complete, you'll need to reinstall the gearbox. In particular, you'll need to ensure that all components are properly reconnected, and that the transmission is filled with the correct transmission fluid.

Please note repairing an automatic gearbox is delicate and complex. If you're not 100% sure, it's best for your safety to call in a mechanic.

A new gearbox for your Audi A8

In the event of general wear and tear or major damage, it may be advisable to replace the Audi A8 gearbox. Consult your garage for a full and reliable diagnosis.

Even if you wish to use our services to replace the gearbox on your Audi A8, you still have the option of to order the part yourself to get the best price.

Go to the page on theEDEN BOITES dedicated to Audi gearboxes ! Check the precise part number of your gearbox, then make your choice.

Our delivery system covers the whole of France and allows you to benefit from the following services of your old gearbox. To find out about our exact prices and delivery charges, don't hesitate to ask us for a free quote It's non-binding!